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LS screw conveyer
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LS screw conveyer

 

   LS screw conveyer is optimized and designed through learning from foreign advanced technologies by the scientific research personnel of our company. The conveyor is a mechanical product which uses the motor through the reduction gears to put the helix in motion so as to drive the materials, realizing the conveyance. Such merits are available as simple structure, small area occupation, long (high) distance of conveyance, closed conveyance, multipoint material feeding or unloading. It can convey all types of powders, granules or small bulk cargos in a horizontal, tilting or vertical direction. It is an ideal piece of conveying equipment for the industries as follows: chemical, medicine, agricultural chemical, fertilizer, dyestuff, metallurgy, mining, salt, concrete admixture, plastics, building material, food and feed.

Connotation of type:

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Mode of feeding and discharging

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Adopt the above 5 modes of feeding and discharging of material

Structure of LS screw conveyer

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1.Motor

2.Reduction box

3.Engine base

4.Top chock

5.Discharging hole

6.Cylinder

7.Spiral

8.Feeding hole

9.Bottom bearing chunk

 

Technical parameters

 When elevation of transmission β=45° and rotate speed of spiral n=134r/min:
  Type
LS14
LS16
LS20
LS25
LS30
  External diameter of spiral D1(mm)
140
160
200
250
300
  Inner diameter of charging barrel D(mm)
149
170
209
260
310
  Diameter of screw shaft d(mm)
42
60
63
73
80
  Lead of screw T(mm)
110
130
160
200
240
Delivery value t/h   Concrete ρ=1.25
8.3
11
21
40
69.5
  Salt ρ=1.2
8
10.5
20.1
38.4
66.7
  Lime ρ=0.9
6
7.9
15
28.8
59.9
  Coal ash ρ=0.6
4
5.3
10
19.2
39.7

Structure size

 

type
A
C
L2
L1
L
M×N
E×F
LS14
220
110
85
750
Determined according to clients' requirements
LS16
250
130
90
900
LS20
290
150
100
1000
LS25
360
180
120
1100
LS30
420
220
140
1300

Selection calculation

  

Delivery value : G=47.1KαKβρ(D 2 -d 2 )·Tn(t/h)

   Where, ρ—material unit volume quality, t/m 3      T—spiral pitch, m

      n—speed of screw, n=134-500r/min     D—inner diameter of cylinder, m

      Kα—fill factor, Kα=0.52-0.70     d—spiral diameter, m

      K β — bias transmission coefficient

Elevation of transmission β°
0
30
45
60
90
Kβ
1
0.82
0.73
0.64
0.46

 

 
 
 
  Shanghai Kairi Machinery Manufacture Co.,Ltd.
Add: No.6-1103,Lane 938,Datong Road,Shanghai,China